User Manual

Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 53 of 909 2019 Ambiq Micro, Inc.
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G7 F1 9
0 M1SDAWIR3
I
2
C Master 1 Data
SPI Master 1 3 Wire Data
Bidirec-
tional
Open
Drain
1 M1MISO SPI Master 1 Input Data Input
2 NCE9
IO Master N Chip Select 9
Table 564, “NCE Encoding Table,” on page 382
Output
3 GPIO09 General Purpose I/O
Input/
Output
4 SCCIO Secure Card Controller I/O
Input/
Output
5RSVReserved
6 UART1RX UART1 Receive Input
7RSVReserved
G8 E1 10
0 UART1TX UART1 Transmit Output
1 M1MOSI SPI Master 1 Output Data Output
2 NCE10
IO Master N Chip Select 10
Table 564, “NCE Encoding Table,” on page 382
Output
3 GPIO10 General Purpose I/O
Input/
Output
4 PDMCLK PDM Clock Output Output
5 UA1RTS UART1 Request To Send Output
6RSVReserved
7RSVReserved
B5 E4 11
0 ADCSE2 Analog to Digital Converter Single-Ended Input 2 Input
1 NCE11
IO Master N Chip Select 11
Table 564, “NCE Encoding Table,” on page 382
Output
2CT31
Timer/Counter Interface Signal 31
See “Implementing Counter/Timer Connections” on
page 394.
Output
3 GPIO11 General Purpose I/O
Input/
Output
4 SLINT Configurable Slave Interrupt Output
5 UA1CTS UART1 Clear To Send Input
6 UART0RX UART0 Receive Input
7 PDMDATA PDM Data Input
Table 1: Pin List and Function Table
BGA
Pin
Number
CSP Pin
Number
GPIO Pad
Number
Function
Select
Number
Pad Function
Name
Description Pin Type